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by ziga
935 days ago
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Lots of variables in sizing a battery system: - Is your goal battery backup or load shifting? - How much backup do you need? - What is your energy usage and peak demand during that time? Peak demand is a big factor: a single Tesla Powerwall 2 for example has 13.5 kWh of capacity but only 5kW of continuous power. A heat pump or AC can exceed that, which is why many people stack multiple batteries to be able to power their homes. (The new Powerwall 3 can supply more power.) |
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